<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>浏览器信息</title>
</head>
<body>
    
</body>
<script>
    document.write(window.navigator.appName+'<br />');
    document.write(window.navigator.appCodeName+'<br />');
    document.write(window.navigator.appVersion+'<br />');
    document.write(window.navigator.platform+'<br />');
    document.write(window.navigator.userAgent+'<br />');

    setTimeout(() => {
        history.go(-1);
    }, 2000);
</script>
</html>